With this insect hotel you can offer several species at the same time the opportunity to to nest and hibernate amongst the insects that will use this habitat are earwigs great for controlling aphids and bees that will use the hollow sticks mason bees will use 3 to 7mm diameter holes hylaeus will use smaller 2 to 4mm holesr r when locating this insect habitat choose a sunny location that is protected from wind and rain warmth is important for the young insects try to attach at a height